1 files changed, 37 insertions, 0 deletions
diff --git a/src/pkg/path/filepath/path_windows.go b/src/pkg/path/filepath/path_windows.go
new file mode 100644
index 000000000..dbd1c1e40
--- /dev/null
+++ b/src/pkg/path/filepath/path_windows.go
@@ -0,0 +1,37 @@
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package filepath
+
+const (
+	Separator     = '\\' // OS-specific path separator
+	ListSeparator = ':'  // OS-specific path list separator
+)
+
+// isSeparator returns true if c is a directory separator character.
+func isSeparator(c uint8) bool {
+	// NOTE: Windows accept / as path separator.
+	return c == '\\' || c == '/'
+}
+
+// IsAbs returns true if the path is absolute.
+func IsAbs(path string) bool {
+	return path != "" && (volumeName(path) != "" || isSeparator(path[0]))
+}
+
+// volumeName return leading volume name.  
+// If given "C:\foo\bar", return "C:" on windows.
+func volumeName(path string) string {
+	if path == "" {
+		return ""
+	}
+	// with drive letter
+	c := path[0]
+	if len(path) > 2 && path[1] == ':' && isSeparator(path[2]) &&
+		('0' <= c && c <= '9' || 'a' <= c && c <= 'z' ||
+			'A' <= c && c <= 'Z') {
+		return path[0:2]
+	}
+	return ""
+}